20976144

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 62472192

約数和(自身を除く): 41496048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 163, 168, 326, 336, 383, 489, 652, 766, 978, 1141, 1149, 1304, 1532, 1956, 2282, 2298, 2608, 2681, 3064, 3423, 3912, 4564, 4596, 5362, 6128, 6846, 7824, 8043, 9128, 9192, 10724, 13692, 16086, 18256, 18384, 21448, 27384, 32172, 42896, 54768, 62429, 64344, 124858, 128688, 187287, 249716, 374574, 437003, 499432, 749148, 874006, 998864, 1311009, 1498296, 1748012, 2622018, 2996592, 3496024, 5244036, 6992048, 10488072, 20976144]

約数ペア:

[(1, 20976144), (2, 10488072), (3, 6992048), (4, 5244036), (6, 3496024), (7, 2996592), (8, 2622018), (12, 1748012), (14, 1498296), (16, 1311009), (21, 998864), (24, 874006), (28, 749148), (42, 499432), (48, 437003), (56, 374574), (84, 249716), (112, 187287), (163, 128688), (168, 124858), (326, 64344), (336, 62429), (383, 54768), (489, 42896), (652, 32172), (766, 27384), (978, 21448), (1141, 18384), (1149, 18256), (1304, 16086), (1532, 13692), (1956, 10724), (2282, 9192), (2298, 9128), (2608, 8043), (2681, 7824), (3064, 6846), (3423, 6128), (3912, 5362), (4564, 4596)]